//**************************************************************************
//  SodaSurvey.java   Author: Lewis/Loftus
//
//  Demonstrates the use of a two-dimensional array.
//**************************************************************************

import java.text.DecimalFormat;

public class SodaSurvey
{
   //-----------------------------------------------------------------------
   //  Determines and prints the average of each row (soda) and each
   //  column (respondent) of the survey scores.
   //-----------------------------------------------------------------------
   public static void main(String[] args)
   {
      int[][] scores = {{3, 4, 5, 2, 1, 4, 3, 2, 4, 4},
                        {2, 4, 3, 4, 3, 3, 2, 1, 2, 2},
                        {3, 5, 4, 5, 5, 3, 2, 5, 5, 5},
                        {1, 1, 1, 3, 1, 2, 1, 3, 2, 4},};
      final int SODAS = scores.length;
      final int PEOPLE = scores[0].length;
      int[] sodaSum = new int[SODAS];
      int[] personSum = new int[PEOPLE];

      for (int soda = 0; soda < SODAS; soda++ )
         for (int person = 0; person < PEOPLE; person++)
         {
            sodaSum[soda] += scores[soda][person];
            personSum[person] += scores[soda][person];
         }

      DecimalFormat fmt = new DecimalFormat("0.#");
      System.out.println("Averages:\n");
      for (int soda = 0; soda < SODAS; soda++)
         System.out.println("Soda #" + (soda + 1) + ": " + fmt.format((float)sodaSum[soda]/PEOPLE));

      System.out.println();
      for (int person = 0; person < PEOPLE; person++)
         System.out.println("Person #" + (person + 1) + ": " + fmt.format((float)personSum[person]/SODAS));
   }
}
